error[E0308]: mismatched types
  --> $DIR/bad-type-in-vec-contains.rs:5:21
   |
LL |     primes.contains(3);
   |            -------- ^
   |            |        |
   |            |        expected `&_`, found integer
   |            |        help: consider borrowing here: `&3`
   |            arguments to this method are incorrect
   |            here the type of `primes` is inferred to be `[_]`
   |
   = note: expected reference `&_`
                   found type `{integer}`
note: method defined here
  --> $SRC_DIR/core/src/slice/mod.rs:LL:COL

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.